linux-kernel - [PATCH] Revert "mm/page_alloc: make should_fail_alloc

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Message-Id: <20210708191128.153796-1-mcroce@linux.microsoft.com>
Date:   Thu,  8 Jul 2021 21:11:28 +0200
From:   Matteo Croce <mcroce@...ux.microsoft.com>
To:     Mel Gorman <mgorman@...hsingularity.net>,
        Linux-MM <linux-mm@...ck.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Michal Hocko <mhocko@...nel.org>,
        David Hildenbrand <david@...hat.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Dan Streetman <ddstreet@...e.org>,
        Yang Shi <shy828301@...il.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] Revert "mm/page_alloc: make should_fail_alloc_page() static"

From: Matteo Croce <mcroce@...rosoft.com>

This reverts commit f7173090033c70886d925995e9dfdfb76dbb2441.

Fix an unresolved symbol error when CONFIG_DEBUG_INFO_BTF=y:

  LD      vmlinux
  BTFIDS  vmlinux
FAILED unresolved symbol should_fail_alloc_page
make: *** [Makefile:1199: vmlinux] Error 255
make: *** Deleting file 'vmlinux'

Fixes: f7173090033c ("mm/page_alloc: make should_fail_alloc_page() static")
Signed-off-by: Matteo Croce <mcroce@...rosoft.com>
---
 mm/page_alloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index d6e94cc8066c..7b6405f8ff48 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -3831,7 +3831,7 @@ static inline bool __should_fail_alloc_page(gfp_t gfp_mask, unsigned int order)
 
 #endif /* CONFIG_FAIL_PAGE_ALLOC */
 
-static noinline bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order)
+noinline bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order)
 {
 	return __should_fail_alloc_page(gfp_mask, order);
 }
-- 
2.31.1